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Arc-Zone MT200-AC/DC, Owner'S Manual

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Arc-Zone MT200-AC/DC Owner'S Manual Download Page 15

15

OPERATION FOR DC TIG WELDING

!SSEMBLETHEFRONTENDTORCHPARTSUSINGTHECORRECTSIZE
ANDTYPEOFTUNGSTENELECTRODENEEDEDFORTHEJOB4HE
TUNGSTENREQUIRESASHARPENEDPOINTFOR$#WELDING

3ETTHEMAXIMUMWELDINGCURRENTAMPS TOBEUSEDWITH
THE!MPSCONTROLKNOBOBSERVINGTHEVALUESETONTHE
DIGITALDISPLAY

(OLDTHETORCHABOVETHEWORKPIECEWITHAMM
GAPBETWEENTHETUNGSTENANDWORKPIECE

$EPRESSTHEFOOTPEDALPARTIALLYTOIGNITETHEARCACROSS
THEGAPBETWEENTUNGSTENANDTHEWORKPIECE-AINTAIN
THEMM GAPBETWEENTHETUNGSTENANDTHEWORK
PIECETOMAINTAINTHEARC

4HEFOOTPEDALMAYBEDEPRESSEDMORETOINCREASE
THEWELDINGCURRENTUPTOTHEPANELPRESETVALUEON
THEDISPLAYORDEPRESSEDLESSTODECREASETHEWELDING
CURRENT

4ODISCONTINUEWELDINGSLOWLYDECREASEDEPRESSING
THEFOOTPEDAL

#ONTINUEHOLDINGTHETORCHOVERTHEENDOFTHEWELDUNTIL
THEGASSTOPSmOWING

A

B

C

D

E

F

G

(&HIGHFREQUENCY IGNITIONALLOWSTHEARCTOBESTARTEDIN4)'WELDINGWITHOUTTOUCHINGTHETUNGSTENTOTHEWORK
PIECE"YDEPRESSINGTHEFOOTPEDALTHEMACHINEWILLACTIVATETHEGASmOWANDTHE(&IGNITIONRESULTINGINTHEARC
IGNITINGACROSSTHEGAPBETWEENTHETUNGSTENELECTRODEANDTHEWORKPIECE4HEDISTANCEBETWEENTHEELECTRODE
ANDTHEWORKPIECECANBEUPTOMM 4HISARCIGNITIONMETHODPREVENTSTUNGSTENINCLUSIONINTHEWORK
PIECEPROMOTESLONGERTUNGSTENLIFEANDOFFERSBETTEROPERATORCONTROLOVERSTARTINGANDSTOPPINGTHEARC

A

B

Having trouble? Please see GTAW (TIG) 
troubleshooting information on pages 34 & 35

(OLDTHETORCHABOVETHE

WORKPIECEWITHA

MM GAPBETWEENTHE

TUNGSTENANDWORKPIECE

$EPRESSTHEFOOTPEDAL

PARTIALLYANDTHEARCWILL

IGNITEACROSSTHEGAP

BETWEENTHETUNGSTENAND

WORKPIECE(OLDEVEN

MM GAPBETWEENTHE

WORKPIECEANDTHETUNGSTEN

TOMAINTAINTHEARC

D

E

Summary of Contents for MT200-AC/DC

Page 1: ......

Page 2: ...L s MERICAN ATIONAL 3TANDARDS NSTITUTE 3 0RODUCT 3AFETY 3IGNS ND ABELS 3 AVAILABLE FROM 3 7EST RD 3TREET EW 9ORK 9 TELEPHONE WEB SITE WWW ANSI ORG THANK YOU FOR YOUR PURCHASE OF THE CK WORLDWIDE MT200...

Page 3: ......

Page 4: ...OR CUTTING KEEP YOUR HEAD OUT OF THE FUMES s EEP THE WORKING AREA WELL VENTILATED USE FUME EXTRACTION OR VENTILATION TO REMOVE WELDING FUMES AND GASES s N CONlNED OR HEAVY FUME ENVIRONMENTS ALWAYS WEA...

Page 5: ...S can explode if damaged s 0ROTECT GAS CYLINDERS FROM EXCESSIVE HEAT MECHANICAL SHOCKS PHYSICAL DAMAGE SLAG OPEN mAMES SPARKS AND ARCS s NSURE CYLINDERS ARE HELD SECURE AND UPRIGHT TO PREVENT TIPPING...

Page 6: ...BLE AMPERAGE ADJUSTMENT DURING WELDING OMBINING THE FUNCTIONS OF THE 4 ENSURES COMPREHENSIVE CONTROL OF THE WELDING PARAMETERS WHEN WELDING BOTH AND GIVING YOU THE ABILITY TO PRODUCE PROFESSIONAL 4 WE...

Page 7: ...mables Kit s Foot Pedal Amperage Control s Ground Clamp with 12 5 3 8m Cable s Single Flow Regulator s 6 1 8m Argon Hose s 220V to115V Power Adapter CK17 FLEX HEAD TORCH GROUND CLAMP DINSE CONNECTOR S...

Page 8: ...EMOTE MPERAGE ONTROL NPUT 6OLTAGE 115VAC 15 50 60Hz 220VAC 15 50 60Hz single phase NPUT URRENT MAX 115V 33 5 Amps 220V 34 Amps UTPUT URRENT 2ANGE 4 7 115V 5 140 Amps 220V 5 200 Amps UTPUT URRENT 2ANGE...

Page 9: ...3OCKET 3ERIAL UMBER NPUT AS ONNECTOR N FF 3WITCH 37 4 Located on the back of the machine 0RIMARY 0OWER NPUT 4 3TICK 3ELECTOR ACKGROUND MPS ONTROL 0ULSE REQUENCY ONTROL 0OST LOW AS ONTROL 0OSITIVE UTPU...

Page 10: ...SELECTION OF REMOTE OR PANEL OUTPUT CURRENT CONTROL IN 4 MODE 3ELECTING THE 0 POSITION ALLOWS CURRENT CONTROL FROM THE FRONT PANEL MPS CONTROL 3ELECTING THE REMOTE POSITION ALLOWS USE OF A REMOTE CUR...

Page 11: ...ANING POSITION THE TIME THAT THE TUNGSTEN IS POSITIVE IS WHICH PROMOTES AN AGGRESSIVE CLEANING ACTION OF THE OXIDE lLM FROM THE MATERIAL SURFACE 7HEN SET AT THE AX 0ENETRATION POSITION THE TIME THAT T...

Page 12: ...E REACHES SAFE LEVEL 2 3 Over Voltage Supply 2EGARDING THE POWER SUPPLY VOLTAGE RANGE OF THE MACHINE PLEASE REFER TO 3PECIlCATIONS 4HE 4 FEATURES AUTOMATIC VOLTAGE COMPENSATION WITHIN THE GIVEN RANGE...

Page 13: ...BRUSHING OR SPRAYING WITH SOAPY WATER UBBLES WILL APPEAR AT THE LEAKAGE POINT 4IGHTEN lTTING CONNECTIONS TO ELIMINATE GAS LEAKAGE IMPORTANT We strongly recommend that you check for gas leakage prior t...

Page 14: ...MINAL AND TIGHTEN IT ONNECT THE FOOT PEDAL REMOTE LEAD INTO THE REMOTE SOCKET ONNECT THE TORCH GAS CONNECTOR INTO THE GAS RECEPTACLE ONNECT THE GAS REGULATOR TO THE CYLINDER AND CONNECT GAS LINE TO TH...

Page 15: ...HE FOOT PEDAL ONTINUE HOLDING THE TORCH OVER THE END OF THE WELD UNTIL THE GAS STOPS mOWING A B C D E F G HIGH FREQUENCY IGNITION ALLOWS THE ARC TO BE STARTED IN 4 WELDING WITHOUT TOUCHING THE TUNGSTE...

Page 16: ...G ANY CIRCUIT 7ITH A CIRCUIT OF THE ENERGY HEAT IS ALWAYS ON THE POSITIVE SIDE 4HIS NEEDS TO BE UNDERSTOOD BECAUSE IT DETERMINES WHAT TERMINAL THE 4 TORCH WILL BE CONNECTED TO THIS RULE APPLIES TO ALL...

Page 17: ...A PERCENTAGE OF PEAK CURRENT S A RULE USE ENOUGH BACKGROUND CURRENT TO REDUCE THE WELD POOL TO ABOUT HALF ITS NORMAL SIZE WHILE STILL KEEPING THE WELD POOL mUID S A GUIDE START BY SETTING THE BACKGRO...

Page 18: ...LE AFFECTS THE OUTCOME OF THE WELD TIME 1 SECOND PEAK CURRENT BACKGROUND AMPS N 4IME PULSE WIDTH XAMPLE OF 0ULSE VS ON 0ULSE WELD lNISH EXAMPLE OF PULSE DC TIG WELDING 1 2 3 4 5 0REPARE THE MACHINE FO...

Page 19: ...15 Form a weld pool Travel direction Angle torch Add TIG filler wire Retract the filler wire Move the torch forward to the front of the weld pool Repeat the process 0 0 1 2 3 4 5 TIG WELDING FUSION T...

Page 20: ...ERMINAL AND TIGHTEN IT ONNECT THE FOOT PEDAL REMOTE LEAD INTO THE REMOTE SOCKET ONNECT THE TORCH GAS CONNECTOR INTO THE GAS RECEPTACLE ONNECT THE REGULATOR TO THE CYLINDER CONNECT THE GAS LEAD TO THE...

Page 21: ...TUNGSTEN AND THE WORK PIECE AINTAIN THE MM GAP BETWEEN THE TUNGSTEN AND THE WORK PIECE TO MAINTAIN THE ARC 4HE FOOT PEDAL MAY BE DEPRESSED MORE TO INCREASE THE WELDING CURRENT UP TO THE PANEL PRE SET...

Page 22: ...DE IS POSITIVE AND THERE IS A RESISTANCE OF THE ELECTRON mOW DURING THIS HALF CYCLE RECTIlCATION 4HE LACK OF CURRENT mOW DURING THIS HALF CYCLE MAKES THE ARC UNSTABLE 4O OVERCOME THIS LACK OF mOW DURI...

Page 23: ...HE WELDER TO ADJUST THE AMOUNT OF CLEANING AND THE AMOUNT OF PENETRATION 4HIS IS ACHIEVED ELECTRONICALLY BY ADJUSTING THE BALANCE CONTROL DIAL ON THE WELDING MACHINE ORE CURRENT mOW FROM THE STRAIGHT...

Page 24: ...Y YOU ACQUIRE A BETTER UNDERSTANDING OF HOW EACH VARIABLE AFFECTS THE OUTCOME OF THE WELD XAMPLE OF PULSED WELD lNISH EXAMPLE OF PULSE AC TIG WELDING 1 2 3 4 0REPARE THE MACHINE FOR 4 WELDING AS PER T...

Page 25: ...ENT TO BE ADJUSTED REMOTELY FROM THE WELDING MACHINE DURING WELDING ENERALLY THERE ARE SEVERAL TYPES OF REMOTE AMPERAGE CONTROL AVAILABLE s HAND AMPERAGE CONTROL LOCATED ON THE TORCH HANDLE ALLOWING T...

Page 26: ...CONNECTED TO THE POSITIVE RECEPTACLE WHILE THE GROUND LEAD WORK PIECE IS CONNECTED TO THE NEGATIVE RECEPTACLE THIS IS KNOWN AS POLARITY OWEVER VARIOUS ELECTRODES REQUIRE A DIFFERENT POLARITY FOR OPTIM...

Page 27: ...AIN THE ARC OLD THE ELECTRODE SLIGHTLY ABOVE THE WORK PIECE TO MAINTAIN THE ARC WHILE TRAVELING AT AN EVEN SPEED TO CREATE AN EVEN WELD DEPOSITION 4O lNISH THE WELD BREAK THE ARC BY QUICKLY SNAPPING T...

Page 28: ...POOL AND BECOMES THE DEPOSITED WELD METAL s 4HE DEPOSIT IS COVERED AND PROTECTED BY A SLAG WHICH COMES FROM THE ELECTRODE COATING s 4HE ARC AND THE IMMEDIATE AREA ARE ENVELOPED BY AN ATMOSPHERE OF PRO...

Page 29: ...ND RESULT IN POOR QUALITY WELDS ENERAL RULE OF THUMB FOR DOWN HAND WELDING IS TO HAVE AN ARC LENGTH NO GREATER THAN THE DIAMETER OF THE ELECTRODE ELECTRODE ANGLE 4HE ANGLE THAT THE ELECTRODE MAKES WIT...

Page 30: ...be employed depending on the shielding gas type of equipment and application DCEN Direct Current Electrode Negative Straight Polarity TUNGSTEN ELECTRODE CHARACTERISTICS TUNGSTEN ELECTRODE CURRENT RAN...

Page 31: ...3 X Diameter Flat 1 4 TO 1 2 X Diameter Typical Tip Geometry for Inverter Typical Tip Geometry for Transformer Ball tip by arcing on non ferrous metal at low current DCRP EP then slowly increase curr...

Page 32: ...NERALLY OCCURS FROM MANUALLY GRINDING TUNGSTEN ELECTRODES WITHOUT A SAFETY SHIELD OR SAFETY GLASSES 3MALL SLIVERS OF TUNGSTEN ELECTRODE MAY BECOME STUCK IN THE OPERATOR S EYE TUNGSTEN PREPARATION AC D...

Page 33: ...E Poor welding technique 5SE THE CORRECT WELDING TECHNIQUE OR SEEK ASSISTANCE FOR THE CORRECT TECHNIQUE Poor joint preparation HECK THE JOINT DESIGN AND lT UP MAKE SURE THE MATERIAL IS NOT TOO THICK 3...

Page 34: ...ETAL BEFORE WELDING Contaminated base metal 2EMOVE MATERIALS LIKE PAINT GREASE OIL AND DIRT INCLUDING MILL SCALE FROM BASE METAL Contaminated filler wire 2EMOVE ALL GREASE OIL OR MOISTURE FROM lLLER M...

Page 35: ...D CHANGE THE SIZE AND OR THE TUNGSTEN IF REQUIRED Excessive rectification in the base metal NCREASE BALANCE CONTROL NCREASE TRAVEL SPEED DD lLLER WIRE DURING WELDING Contaminated base metal 2EMOVE CON...

Page 36: ...K17 25 R RG T CK17 25 RSFRG T o p q r z HEAD STYLE CABLE CABLE LENGTH STANDARD SUPER FLEX LEX EAD 0IECE FT M CK17 12 R FX CK17 12 RSF FX FT M CK17 25 R FX CK17 25 RSF FX CK17 TIG TORCH PACKAGES CK17 3...

Page 37: ...EN MM X T1167GC2 MM X T3327GC2 MM X T187GC2 www CKWORLDWIDE com Accessories For 3 Series TIG Torch 3 Collets 3 Collet Bodies 3 Cups Accessories For A 3 Series TIG Torch 3 h 3 Col olle 1 Back Cap 3 Tun...

Page 38: ...XPENSES HIRING TOOLS AND INSURANCE ARE PAID BY THE CUSTOMER s 4O THE EXTENT PERMITTED BY LAW OUR TOTAL LIABILITY FOR LOSS OR DAMAGE OF EVERY KIND RELATED TO THE PRODUCT IN ANY WAY WHATSOEVER IS LIMITE...

Page 39: ...d multilayer optical interference filter provide clear view and permanent UV IR protection up to DIN 15 s Power supply by solar cells and Lithium batteries replaceable s Digital low battery warning in...

Page 40: ......

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